Robert kelso and morris rosekbaum



(No Mod-e1.) I R. KELSO 8u M; ROSENB-AUM.

FLEXIBLE METALLIC SEEATEING EOE TUBES AND'EOPES. No. 606,557. PatentedJune 28, 1898.l

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lateral pressure in tubes, against the collaps`I ing of Vtubes when avacuum is formed with-l in the tubes, and' against abrasion of tubes,r

Figure 1 is a View of our Aimproved casingv v UNITEDy STATES@ PATENT-f 1@EE-ICE.

ROBERi,` KEfLso AND I'IORRIs RosENBAI/IM, OF PHILADELPHIA, PENN- 1 rsYLvANIA. Y,

FLEXIBLETM ETALLIO SHEATHINGFOR TUBES'AND Anomas.

SPECIFICATION forming part oflnett'efs Patent No. 606,557, datedJune-28', 189s; Application filed November 22,1897. Serial No. 659,469.-(No model.) Patented in Austria March-29, 1897, No. 47/1,548; iu BelgiumApril 1, 1897,1To.127,330; in France May 29, 1897,'No.267,417,a11di11Canada August 14,1897,No.571045.

gust 14,13975`in Austria', No; 47 /1,'54s,datcd March 29,.1897; inFrance,No. 267,417, dated May 29, 1897, and in Belgium, No. 127,330,dated April l, 1897,) of which the following is a specification.

The object of our invention is'to provide 'ai flexible metallicsheathing or' casing for iieX'i-v ble tubes, dac. ,in order to increasethe strength ofthe article incased either against tensile strains in thecase of tubes or ropes, against ropes, dac. .c

A further Object of our invention is to provide a coupling for'r'opesY'or tubes, as fully described hereinafter.

Referring to the accompanying drawings,

Fig. 2 is a transverse sectional view.- Fig. 3

is a view showing the method of applying the sheathing to the articletO-be incased; Fig l 4 is a View showing the casing applied to the:

outside of a rubber hose. Fig. 5 is a view showing the casing applied tothe inside of a rubber hose. Fig. 6 is a View showing the casing applied`to'y a rope. showing the method of applying the sheathing insplicingropes so asto forma coupling. Fig. Sis a View showing thesheathingapplied as a tube-coupling. Y

In the manufacture of our improved casing A we take a number ofends oftempered at steel wire a, preferably galvanized to lprevent corrosion,and braid this wire to tubular'form, as shown in Figs. l and 2, the meshbeing determined during the process of braiding, and We preferably braidthe tubes to be applied to objects from Vone-half 'an inch to threevinches of one diameter, and by changing the to the tube, as shown inFig. 3.

ing is then drawn down upon the hose, either Fig. 7 is a viewsionalstrain on the tube after it is made the diameter will be decreased, andby placinga compressing strain on the end of the vtube the diameter willbe increased.

The article, as shown in Figs. l and 2, is itself a complete article ofmanufacture and is now sold by us to be applied to tubing, rope, cbc.,in any length required, and we usuallywrap the sheathing upon reelsholding one thousand feet, and this sheathing can be cut off in lengthsas required.

To Vapply the sheathing A to a rubber or other hose B, we'cut thesheathing the proper length, 'compress it longitudinally, so as toincrease itsdiameter in. order that it Inay be slipped readilyover thehose to be incased, and after it is in position one end of, thesheathing is secured to the hose or other tubing in any suitable manner,preferably by Wrappingnesoftimaround ,the sheathing and tube, so asy totightly bind the sheathing The sheaththrough the hands or by means of atool, so that its length will be increased, and consequently itsdiameter decreased, until it Iits perfectly tight upon the hose, asshown in vFig-4, after which the'free end is secured to rated points ofattachment and is free to eX- pand 'and contract between said points ofattachment'when the said article is bent.

Where an ordinary hose-coupling C is used,

the clamp for securing the' hose rto the coupling may be applied overthe sheathing, so as to hold the sheathing firmly to the tube and thetube to the coupling.

In inoasing tubes with couplings attachedsuch, for instance, asthe'tubes 'oiakbrad mechanism of railway-cars-allthat is necessary is tolongitudinally contract the sheathing, so that it will readily slip'overthe head of the coupling, as Well as over the hose,` after which it isfastened at one end and drawn out until it binds tightly upon the hose,and then fastened tightly at the opposite end either by a clamp or othermeans of fastening.

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XVe have submitted hose incased with our improved sheathing to severetests, and it has withstood pressures up to one thousand pounds to thesquare inch.

The ilatwire presents a sufficient surface to prevent the cutting of thetube by the wire, and the braiding is open sufficiently to allow thetube the same free movement as it the sheathing was not applied.Furthermore, a tube with the easing applied will not buckle or kink andin time crack, as will the tube not provided with a easing.

In Fig. 5 we have shown the sheathing A applied to the inside of a tubeI3 instead of the outside where it is wished to resist atmosphericpressures, and in order to apply the sheathing` to the tube we stretchthe sheathing so that the diameter is less than the internal diameter otthe tube. lVe then slip the sheathing into the tube and increase itsdiameter by longitudinal compression until it lits tightly against thetube, when it is fastened at each end.

Fig. t3 is a view illustrating the sheathing A applied to a rope D, andmay be either applied to ordinary liber rope or wire rope. lly applyingthis sheathing to the rope we find that the strength is materiallyincreased, the strands are coniined closely together, thus preventingfraying, and, furthermore, when the rope is used in a winding-drum, forinstance, the sheathing prevents chating.

The sheathingbeing braided allows for the free contraction ot the ropewhen wet and expansion of the rope when dry, and it will allow Ithe ropeto swell, yet will keep ittaut at all times, the flat surface of thewire preventing cutting, the-same as described above in connection withthe rubber hose.

XVe may use the tube as a means of coupling together two pieces of ropeor two sections of hose. For instance, as shown in Fig. 7, some of thestrands of one section of rope may be eut baek some distance from theend of the section and some of the strands ot' the other section mayalso be cut baek of the end and the loose strands twisted together, soas to form a joint of an even diameter without resort-in g to theordinary method of splicing. Previous to joining the ends of the ropetogether our improved sheathing is slipped over one section, so thatwhen the sections are wrapped together by drawing the sheathing over thejoint and pulling it out, so that it will bind tightly upon the rope,and securing it to the rope at the ends we are enabled to tightly bindthe uncut strands of rope together, and the more strain that is placednpon the rope the tighter the strands will bind, so that we not onlyrely upon the tensile strength of the sheathing, but also upon itsquality to hold the strands of rope in frictional contact.

Hose or tubing maybe coupled in the manner shown in Fig. S by insertingin the ends of the two sections to be joined a tubular coupling-section,and by slipping a short seetion of our improved sheathing over the tubesat the joint and stretching it, so as to tightly grasp the tubes at thejoint, we are enabled to make a joint that is strong and which willwithstand more than the ordinary pressures.

llt will be understood that it it is wished the tube with the sheathingmay be inclosed in an outer casing of flexible material, although wehave found that by galvanizing the wire corrosion is prevented and theinclosing casing may be dispensed with.

Te prefer to use a tlat wire, because it can be used without any suchtendency to eut into the article to which it is applied as may in someeases exist where a round wire is used; but a round wire maybe used insolne cases, and it will be understood that we do not limit ourselves toa flat wire.

lVe claim as our inventionl. Thecombinationotallexibleartiele,such as ahose, rope, the., a sheathing composed of a series of tlat wires braidedor interlaced, said sheathing being secured to the finished lleXiblearticle at separated points of attachment, and being tree to expand andcontract between said points of attachment when the iiexible article isbent, substantially as described. l

2. The combination of a tinished tube, a sheathing made of a series of[lat wires braided into the torni of a tube, said sheathingbeing slippedover the tinished tube so as to snugly iit thereon, with means forsecuring the wires forming the sheathing to the tube at separated pointsol attachment so that the wires will have free movement between thepoints ot attachment when the tube is bent, substantially as described.

ln testimony whereof we have signed our names to this specification inthe presence of two subscribing witnesses.

HOHER' KELSO. MORRIS ROSENIEAUM.

Witnesses:

(Juas. ll. BANNMzn, Wim.. A.. liana.

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